CN104119993A - Mechanical lubricant - Google Patents
Mechanical lubricant Download PDFInfo
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- CN104119993A CN104119993A CN201410310594.6A CN201410310594A CN104119993A CN 104119993 A CN104119993 A CN 104119993A CN 201410310594 A CN201410310594 A CN 201410310594A CN 104119993 A CN104119993 A CN 104119993A
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Abstract
The invention discloses a mechanical lubricant. The mechanical lubricant is prepared from the following raw material components in parts by weight: 50-90 parts of perfluoropolyether lubricating oil and 10-50 parts of polytetrafluoroethylene powder. The mechanical lubricant disclosed by the invention has the following benefit effects: 1) the product is high in purity and contains no impurities such as water vapor and pollutants; 2) the product is uniformly mixed and has a good thickening effect; 3) the lubricating property is excellent and anti-acid, anti-base and anti-radiation effects are achieved; 4) the product has good high temperature resistance, corrosion resistance and good flame resistance; 5) the production effect is high and the industrial production can be achieved.
Description
Technical field
The present invention relates to a kind of power lubrication agent, be specifically related to a kind of lubricant of high temperature resistant, anti-flaming, explosion-proof, corrosion-resistant and long service life.
Background technology
PFPE PFPE is under a kind of normal temperature, to be the synthetic polymer of liquid, PFPE lubricant is substantially similar to the molecular structure of hydro carbons lubricant, but fluorine atom has replaced hydrogen atom in PFPE molecule, PFPE has higher thermostability and oxidative stability and good unreactiveness and insulating property, and the PFPE that molecular weight is larger also has low volatility, wider fluid temperature scope and excellent viscosity-temperature profile.PFPE lubricant can meet in mechanical industry and automotive industry in the application requiring of high temperature and high loading, the stability of height and good antiwear property make the life cycle that PFPE grease can be longer, the lubricant under critical operation operating mode.Therefore, although the price comparison of PFPE is high, it is still widely used in engineering and industry as lubricant, and its application in chemical industry is mainly used on various vacuum pumps; When the gas that is corrosive in operating environment exists, PFPE is used as the lubricating oil of compressor and valve; While mainly utilizing the technology such as plasma etching, LPCVD and plasma cultivation to produce semi-conductor, to use some vacuum mechanical pumps in electronic industry; PFPE is usually as the lubricating oil of high temperature and chemically stable porous metal bearing, travelling belt, papermaking and textile manufacturing machine; Because PFPE has wider fluid temperature scope, low vapo(u)rability, high static viscosity, low-down vapour pressure, low yield temperature and good high-tension lubrication are widely used it in space industry.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of, to overcome the problems of the prior art.
To achieve these goals or other object, the present invention is achieved by the following technical solutions.
The invention discloses a kind of power lubrication agent, comprise following feed composition and weight part:
50～90 parts of perfluoro polyether oils
10～50 parts of polytetrafluorethylepowder powders.
Preferably, described power lubrication agent comprises following feed composition and weight part:
63～66 parts of perfluoro polyether oils
34～37 parts of polytetrafluorethylepowder powders.
Preferably, the molecular weight of described perfluoro polyether oil is 1000～13000; Density in the time of 20 ℃ is 1.80～1.93g/cm
3, the kinematic viscosity in the time of 20 ℃ is 8～2500mm
2/ s.
Preferably, four ball wear tests are carried out in the power lubrication agent in the present invention, according to ASTM D4172B standard, at 75 ℃, carry out 60 minutes under 1200rpm, load as 40Kg, and recording polishing scratch is 0.3～1.2mm.
Preferably, the density of described polytetrafluorethylepowder powder in the time of 20 ℃ is 2.0～2.3g/cm
3, median size is 2～5 microns.
Denseness cone penetration value representation, cone penetration value also claims penetration number, refers at 25 ℃, by the metal tip cone of obtuse angle shape, in the time, be in 5s, the degree of depth of lubricating grease is sunk in deadweight, take 0.1mm as unit.Cone penetration value is larger, and consistency of grease is less.Denseness rank is that U.S.'s grease institute is divided into nine grades by NLGI, and from 000 to 6 totally nine, table 1 specifically sees the following form:
Table 1
| NLGI level | Penetration number |
| 000 | 445～475 |
| 00 | 400～430 |
| 0 | 355～385 |
| 1 | 310～340 |
| 2 | 265～295 |
| 3 | 220～250 |
| 4 | 175～205 |
| 5 | 130～160 |
| 6 | 85～115 |
Wherein, in table 1 No. 0, No. 00 and No. 000 lubricating grease are called quasi-hydrodynamic lubrication fat, are mainly used in using bearing, gear and all kinds of frictions position lubricated of oil lubrication.
Preferably, in the present invention, the denseness rank of power lubrication agent described above is 00 grade, 0 grade, 1 grade, 2 grades and 3 grades.
Preferably, in the present invention, density during 20 ℃ of power lubrication agent described above is 1.9～2.1g/cm
3.
Preferably, in the present invention, the working temperature of power lubrication agent described above is-90～320 ℃.
The invention also discloses a kind of method of preparing power lubrication agent as described above, described method comprises the steps:
1) feed intake: feed composition is dropped in reactor;
2) heat: by heating system, regulating the temperature of heating is 45～90 ℃; At least 16 hours heat-up times;
3) vacuumize: by pumped vacuum systems, make vacuum tightness in reactor for being no more than 0.05Pa;
4) stir for the first time: alr mode is shearing stirring, 16～36 hours time of stirring;
5) come out of the stove;
6) cooling.
Preferably, step 1) sequencing feeding intake in is for first throwing perfluoro polyether oil, then throws polytetrafluorethylepowder powder.
In step 4) finish after, if observe product not even light or have water vapour in reactor, vacuumize, and stir for the second time.
Preferably, step 4) after finishing, stir for the second time, the alr mode stirring is for the second time shearing stirring, 2～3 hours time of stirring.
Step 5) in, take out a small amount of sample, carry out the test of penetration degree, in the corresponding standard of NLGI, being considered as qualified product can come out of the stove.
Preferably, to step 6) in cooled power lubrication agent with three-roll grinder, carry out milled processed, between three-roll grinder central roll and preliminary roller, distance is 0.01～0.25 millimeter, between central roll and rear roller, distance is 0.02～0.25 millimeter.
More preferably, described milled processed temperature is 20～30 ℃, continuously grinding 3～4 times.
In the present invention, the structure of reactor pumped vacuum systems is as shown in utility model ZL201320088592.8, heating-cooling system structure is as shown in ZL201320088434.2, charging system structure is as shown in ZL201320088516.7, and stir system design is as shown in ZL201320089044.7.
Especially, the whipped-up structure of described reactor comprises kettle, kettle cover and stirring mechanism, in described kettle, be provided with mixing of materials chamber, described stirring mechanism comprises interior rotating shaft and the outer shaft of switched in opposite, described outer shaft has through hole at its axis direction, described interior rotating shaft upper end is located in described through hole and from outer shaft stretches out afterwards and is connected with one first CD-ROM drive motor, and interior rotating shaft lower end is fixed with a plurality of interior agitating vanes; Described outer shaft is located in kettle cover, the upper end of outer shaft is connected with one second CD-ROM drive motor, lower end is fixed with a puddle support, on the inwall of described puddle support, be fixed with a plurality of outer agitating vanes, described interior agitating vane and the upper and lower staggered arrangement of outer agitating vane and be all arranged in described mixing of materials chamber.This device adopts shearing stirring, when work make mixing between raw material more evenly, reaction more fully, more thorough, stirring efficiency is high, time that needn't overspending just can reach expection stirring and mixing effect.
The invention also discloses power lubrication agent described above in the application of weaving, papermaking, semi-conductor, electronic apparatus, automobile, space flight and aviation, chemical industry, medical equipment, iron and steel, military industry field.
Power lubrication agent in the present invention has following beneficial effect:
1) product purity is high, inclusion-free, the not impurity such as containing water vapor and pollutent;
2) Product mix is even, and thickening effectiveness is good;
3) lubricity is excellent, acid-proof alkali prevention radioprotective;
4) high temperature resistant, corrosion-resistant, anti-flaming performance is good;
5) production effect is high, can suitability for industrialized production.
Embodiment
Below, by specific specific examples explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification sheets.The present invention can also be implemented or be applied by other different embodiment, and the every details in this specification sheets also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
Embodiment 1
In the present embodiment, the preparation method of power lubrication agent is as follows:
1) feed intake: 65 parts of perfluoro polyether oils and 35 parts of tetrafluoroethylene are dropped in reactor;
2) heat: by heating system, regulating the temperature of heating is 60 ℃; Be 24 hours heat-up time;
3) vacuumize: by pumped vacuum systems, making the vacuum tightness in reactor is 0.05Pa;
4) stir for the first time: alr mode is shearing stirring, the 24 hours time of stirring;
5) stir for the second time: alr mode is shearing stirring, the time 2 h of stirring;
6) come out of the stove: observe that product is even, glossiness good, anhydrous steam and contamination-free state come out of the stove;
7) cooling: naturally cooling;
8) grind: cooled power lubrication agent is carried out milled processed with three-roll grinder, and between three-roll grinder central roll and preliminary roller, distance is 0.1 millimeter, and between central roll and rear roller, distance is 0.2 millimeter; Grind 3 times.
The molecular weight of the perfluoro polyether oil using in the present embodiment is 7250; Density in the time of 20 ℃ is 1.92g/cm
3, the kinematic viscosity in the time of 20 ℃ is 1850mm
2/ s.
The density of described polytetrafluorethylepowder powder in the time of 20 ℃ is 2.2g/cm
3, median size is 2～5 microns.
Four ball wear tests are carried out in power lubrication agent in the present embodiment, according to ASTM D4172B standard, at 75 ℃, carry out 60 minutes under 1200rpm, load as 40Kg, and recording average polishing scratch is 0.7mm.
Power lubrication agent in the present embodiment is applied on the heat setting type tentering of textile manufacturing machine, and its effect is as follows:
A) bright in color, pure white, be difficult for polluting fabric;
B) by penetrometer, testing denseness rank is 2 grades, between 265～295;
C) can in the temperature range of-40～290 ℃, use;
D) life cycle is more than 8000 hours;
E) chemical stability is strong, can not react with strong acid, highly basic and strong oxidizer;
F) do not burn, without spontaneous ignition temperature;
G), without decomposition, without knot carbon formula settling, produce;
H) surface tension is low, and perviousness is strong.
Embodiment 2
In the present embodiment, the preparation method of power lubrication agent is as follows:
1) feed intake: 50 parts of perfluoro polyether oils and 50 parts of tetrafluoroethylene are dropped in reactor;
2) heat: by heating system, regulating the temperature of heating is 70 ℃; Be 16 hours heat-up time;
3) vacuumize: by pumped vacuum systems, making the vacuum tightness in reactor is 0.05Pa;
4) stir for the first time: alr mode is shearing stirring, the 24 hours time of stirring;
6) come out of the stove: observe that product is even, glossiness good, anhydrous steam and contamination-free state come out of the stove;
7) cooling: naturally cooling;
8) grind: cooled power lubrication agent is carried out milled processed with three-roll grinder, and between three-roll grinder central roll and preliminary roller, distance is 0.25 millimeter, and between central roll and rear roller, distance is 0.1 millimeter; Grind 3 times.
The molecular weight of the perfluoro polyether oil using in the present embodiment is 1500; Density in the time of 20 ℃ is 1.87g/cm
3, the kinematic viscosity in the time of 20 ℃ is 38mm
2/ s.
The density of described polytetrafluorethylepowder powder in the time of 20 ℃ is 2.2g/cm
3, median size is 2～5 microns.
Four ball wear tests are carried out in power lubrication agent in the present embodiment, according to ASTM D4172B standard, at 75 ℃, carry out 60 minutes under 1200rpm, load as 40Kg, and recording average polishing scratch is 0.3mm.
Power lubrication agent in the present embodiment is applied in mechanical seal.
Embodiment 3
In the present embodiment, the preparation method of power lubrication agent is as follows:
1) feed intake: 90 parts of perfluoro polyether oils and 10 parts of tetrafluoroethylene are dropped in reactor;
2) heat: by heating system, regulating the temperature of heating is 50 ℃; Be 36 hours heat-up time;
3) vacuumize: by pumped vacuum systems, making the vacuum tightness in reactor is 0.05Pa;
4) stir for the first time: alr mode is shearing stirring, the 36 hours time of stirring;
5) stir for the second time: alr mode is shearing stirring, the time 2 h of stirring;
6) come out of the stove: observe that product is even, glossiness good, anhydrous steam and contamination-free state come out of the stove;
7) cooling: naturally cooling;
8) grind: cooled power lubrication agent is carried out milled processed with three-roll grinder, and between three-roll grinder central roll and preliminary roller, distance is 0.1 millimeter, and between central roll and rear roller, distance is 0.2 millimeter; Grind 3 times.
The molecular weight of the perfluoro polyether oil using in the present embodiment is 7250; Density in the time of 20 ℃ is 1.92g/cm
3, the kinematic viscosity in the time of 20 ℃ is 1850mm
2/ s.
The density of described polytetrafluorethylepowder powder in the time of 20 ℃ is 2.2g/cm
3, median size is 2～5 microns.
Four ball wear tests are carried out in power lubrication agent in the present embodiment, according to ASTM D4172B standard, at 75 ℃, carry out 60 minutes under 1200rpm, load as 40Kg, and recording average polishing scratch is 0.6mm.
Power lubrication agent in the present embodiment is applied to use on liquid lubricated large gear.
Embodiment 4
In the present embodiment, the preparation method of power lubrication agent is as follows:
1) feed intake: 63 parts of perfluoro polyether oils and 37 parts of tetrafluoroethylene are dropped in the reactor that comprises pumped vacuum systems, heating system, secondary charging system and stirring system;
2) heat: by heating system, regulating the temperature of heating is 65 ℃; Be 24 hours heat-up time;
3) vacuumize: by pumped vacuum systems, making the vacuum tightness in reactor is 0.05Pa;
4) stir for the first time: alr mode is shearing stirring, the 24 hours time of stirring;
5) stir for the second time: alr mode is shearing stirring, the time 2 h of stirring;
6) come out of the stove: observe that product is even, glossiness good, anhydrous steam and contamination-free state come out of the stove;
7) cooling: naturally cooling;
8) grind: cooled power lubrication agent is carried out milled processed with three-roll grinder, and between three-roll grinder central roll and preliminary roller, distance is 0.1 millimeter, and between central roll and rear roller, distance is 0.1 millimeter; Grind 3 times.
The molecular weight of the perfluoro polyether oil using in the present embodiment is 6600; Density in the time of 20 ℃ is 1.92g/cm
3, the kinematic viscosity in the time of 20 ℃ is 1500mm
2/ s.
The density of described polytetrafluorethylepowder powder in the time of 20 ℃ is 2.2g/cm
3, median size is 2～5 microns.
Four ball wear tests are carried out in power lubrication agent in the present embodiment, according to ASTM D4172B standard, at 75 ℃, carry out 60 minutes under 1200rpm, load as 40Kg, and recording average polishing scratch is 0.7mm.
Power lubrication agent in the present embodiment is applied in the Corrugating Machine of paper industry.
The above, be only better embodiment of the present invention, not technical scheme of the present invention done to any pro forma restriction.Any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all fall into protection scope of the present invention.
Claims (9)
1. a power lubrication agent, comprises following feed composition and weight part:
50～90 parts of perfluoro polyether oils
10～50 parts of polytetrafluorethylepowder powders.
2. power lubrication agent as claimed in claim 1, is characterized in that, the molecular weight of described perfluoro polyether oil is 1000～13000; Density in the time of 20 ℃ is 1.80～1.93g/cm
3, the kinematic viscosity in the time of 20 ℃ is 8～2500mm
2/ s.
3. power lubrication agent as claimed in claim 1, is characterized in that, the density of described polytetrafluorethylepowder powder in the time of 20 ℃ is 2.0～2.3g/cm
3, median size is 2～5 microns.
4. power lubrication agent as claimed in claim 1, is characterized in that, the denseness rank of described power lubrication agent is 00 grade, 0 grade, 1 grade, 2 grades and 3 grades.
5. power lubrication agent as claimed in claim 1, is characterized in that, density during 20 ℃ of described power lubrication agent is 1.9～2.1g/cm
3.
6. prepare as arbitrary in claim 1～5 as described in the method for power lubrication agent, described method comprises the steps:
1) feed intake: feed composition is dropped in reactor;
2) heat: by heating system, regulating the temperature of heating is 45～90 ℃; At least 16 hours heat-up times;
3) vacuumize: by pumped vacuum systems, make vacuum tightness in reactor for being no more than 0.05Pa;
4) stir for the first time: alr mode is shearing stirring, 16～36 hours time of stirring;
5) come out of the stove;
6) cooling.
7. method as claimed in claim 6, is characterized in that step 4) finish after, if observe product not even light or have water vapour in reactor, vacuumize, and stir for the second time, the alr mode stirring is for the second time shearing stirring, 2～3 hours time of stirring.
8. method as claimed in claim 6, it is characterized in that, to step 6) in cooled power lubrication agent with three-roll grinder, carry out milled processed, between three-roll grinder central roll and preliminary roller, distance is 0.01～0.25 millimeter, between central roll and rear roller, distance is 0.02～0.25 millimeter.
9. method as claimed in claim 8, is characterized in that, described milled processed temperature is 20～30 ℃, continuously grinding 3～4 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410310594.6A CN104119993A (en) | 2014-07-01 | 2014-07-01 | Mechanical lubricant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410310594.6A CN104119993A (en) | 2014-07-01 | 2014-07-01 | Mechanical lubricant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104119993A true CN104119993A (en) | 2014-10-29 |
Family
ID=51765629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410310594.6A Pending CN104119993A (en) | 2014-07-01 | 2014-07-01 | Mechanical lubricant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104611101A (en) * | 2014-12-03 | 2015-05-13 | 东莞市长安东阳光铝业研发有限公司 | Perfluoropolyether lubricating grease and preparation method thereof |
| CN107325857A (en) * | 2017-08-26 | 2017-11-07 | 东莞市欧迪斯润滑剂科技有限公司 | One kind is used for high temperature low volatility Perfluoropolyether lubricating grease and preparation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003147380A (en) * | 2001-11-14 | 2003-05-21 | Nok Kuluver Kk | Lubricant composition for oil-impregnated bearing |
| CN1432635A (en) * | 2002-01-15 | 2003-07-30 | 美蓓亚株式会社 | Low-torque lubricating grease composition |
| CN102965178A (en) * | 2012-10-30 | 2013-03-13 | 武汉博达特种润滑技术有限公司 | High-speed chain lubricating grease and preparation method thereof |
-
2014
- 2014-07-01 CN CN201410310594.6A patent/CN104119993A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003147380A (en) * | 2001-11-14 | 2003-05-21 | Nok Kuluver Kk | Lubricant composition for oil-impregnated bearing |
| CN1432635A (en) * | 2002-01-15 | 2003-07-30 | 美蓓亚株式会社 | Low-torque lubricating grease composition |
| CN102965178A (en) * | 2012-10-30 | 2013-03-13 | 武汉博达特种润滑技术有限公司 | High-speed chain lubricating grease and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104611101A (en) * | 2014-12-03 | 2015-05-13 | 东莞市长安东阳光铝业研发有限公司 | Perfluoropolyether lubricating grease and preparation method thereof |
| CN107325857A (en) * | 2017-08-26 | 2017-11-07 | 东莞市欧迪斯润滑剂科技有限公司 | One kind is used for high temperature low volatility Perfluoropolyether lubricating grease and preparation method |
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Application publication date: 20141029 |